DocumentationNumber 3PCI2-0903 Manual Chapter3 7
B&BElectronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&BElectronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
The top jumper sets DB9 connections for either 232 or 422/485.
RS-232 operation requires setting only the Top jumper.
The middle jumper sets the RS-422/RS-485 transmitter for RS-485
or RS-422 operation
. In RS-485 mode, the transmitter is tri-stated
when not sending data. In RS-422 mode, the transmitter is always
enabled.
The bottom jumper sets the RS-422/RS-485 receiver for half-duplex
RS-485 operation or full-duplex RS-422/RS-485 operation
. In half-
duplex RS-485, the receiver is enabled when not transmitting. In
dull-duplex RS-422/485 operation, the receiver is always enabled
.
For more operating mode information, see the related chapter.
Install the Card
1. Shut down your computer.
2. Unplug the power cord to remove power to prevent accidentally
turning on the computer during installation.
3. Remove the cover of the computer.
4. Locate an empty PCI expansion slot.
5. Remove the expansion slot cover. Save the retaining screw.
6. Ground yourself to the computer chassis before and while
inserting the card.
7. Install the card into the unused slot. Be certain that the card is
inserted completely (fully seated) in the slot.
8. Secure the card with the mounting screw from step 5.
9. Replace the cover, plug in the power cord.
10. Connect your cables.
11. Power up the system.
12. Install the drivers as indicated in Chapter 3.